Anxiety is now recognized as one of the most common co-occurring conditions in youth diagnosed with autism spectrum disorder (ASD). Despite the prevalence of this comorbid condition, accurate assessment and diagnosis of anxiety in ASD has proven difficult. This paper will address the considerable research literature on assessing anxiety in youth…

Pathological demand avoidance (PDA) is contended to be a distinct presentation within autism characterised by extreme levels of anxiety in response to the demands of everyday life, manifested in excessive levels of demand avoidance. This results in complex interactions with service providers in education and health settings, impacting on outcomes…

Introduction: Individuals with Autism Spectrum Disorder display a pattern of social communication deficits and restricted and repetitive behaviors that leave them particularly vulnerable to developing anxiety. The presence of a co-occurring Intellectual Disability further complicates the situation, compromising traditional diagnostic techniques…

As the "Behavioral Assessment System for Children, Second Edition" ("BASC-2") is often used to aid in diagnosis it is important to discern how children and adolescents with Autism Spectrum Disorder (ASD) score on the "BASC-2" compared to typically developing controls. This study compared scores of typically developing…

This article is the ninth of a multi-part series on traumatic brain injury (TBI). It focuses on the process of diagnosing TBI and psychiatric disorders. Diagnosing traumatic brain injury can be challenging. It can be difficult differentiating TBI and psychiatric symptoms, as both have similar symptoms (e.g., memory problems, emotional outbursts,…

Anxiety symptoms and disorders are highly prevalent in children and adolescents with Autism Spectrum Disorder (ASD), although they are often unrecognized or misdiagnosed. The purpose of the present review is to (1) provide clinicians with practical information on assessment and diagnosis of co-morbid anxiety in children and adolescents with ASD,…

Anxiety disorders are among the most prevalent mental disorders. In panic disorder, panic attacks often occur at unpredictable times, making it difficult to study these episodes in the laboratory. In specific phobias, symptoms occur in very circumscribed situations and specific triggers are sometimes difficult to reproduce in the laboratory.…

Most taxometric studies of depressive constructs have drawn indicators from self-report instruments that do not bear directly on the "Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV)" diagnostic construct of major depressive disorder (MDD). The present study examined the latent structure of MDD using indicator sets…

This study reports on recent trends in the psychological research literature on the use of measures in the assessment of anxiety. An analysis of PsycINFO, from 2000-2005, showed that the Beck Anxiety Inventory and the Anxiety Sensitivity Index had the highest hit rates. The results indicate that many anxiety instruments that are popular in…

Background: Empirical findings from two divergent bodies of literature illustrate that depression can arise in the preschool period and that the complex self-conscious emotions of guilt and shame may develop normatively as early as age 3. Despite these related findings, few studies have examined whether the emotions of shame and guilt are salient…

The present study examined current and lifetime psychiatric morbidity, chest pain, and health care utilization in 229 patients with noncardiac chest pain (NCCP), angina-like pain in the absence of cardiac etiology. Diagnostic interview findings based on the "Diagnostic and Statistical Manual of Mental Disorders" (4th ed.; "DSM-IV"; American…

Background: This study investigates whether anxiety and depressive disorder symptoms of adolescents from the general community are best described by a model that assumes they are indicative of one general factor or by a model that assumes they are two distinct disorders with parallel growth processes. Additional analyses were conducted to explore…

With the advent of the Internet, delivered assessment applications are likely to make a difference in clinical psychology and in health care in general. The purpose of the present paper was to present an overview of the authors' experience regarding Internet administration of diagnostic interviews, questionnaires, and information processing tests.…

Objective: The present study determined interrater agreement on diagnoses achieved using the parent and child versions of the Anxiety Disorders Interview Schedule for Children for DSM-IV (ADIS-C/P) and examined informant, age, and gender influences on reliability. Method: Diagnoses established for 153 seven- to 16-year-old children during live…

Diagnosing autism and PDD-NOS at very early ages has become a major priority in the field of mental health. More recently, researchers have also come to realize the importance of identifying co-occurring conditions of psychopathology in this population. In the present study, 309 children between 17 and 37 months of age who had been identified as…